jsDelivr's answer:
jsDelivr is the only free CDN that aims to be production ready even for the most critical workloads. It has multiple failover systems for all of its components to ensure 100% uptime and uses multiple CDNs and datacenters for better performance.
Google Workspace - Google's encompassing suite of cloud-based business apps.
cdnjs - An open source community driven JS/CSS CDN.
Open Source Alternative To - OpenSourceAlternative.To lets you search and filter 250+ open source alternatives by categories, licenses, languages, stargazers, and date added.
CloudFlare - Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.
btw - Delight your customers
KeyCDN - KeyCDN is a high-performance Content Delivery Network (CDN). Lowest price globally at $0.04/GB with HTTP/2 Support and free Origin Shield.